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Meteorology > 1 > Flashcards

1 Flashcards

1
Q

The atmospheres concentration of CO2 has risen by ____ since 1958 when measurements began at mounaloa observatory in Hawaii

A

30%

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2
Q

The unit of Pressure most commonly found on a surface weather map is?

A

Millibars or Hectopascals

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3
Q

In a warm front, what is being replaced?

A

Cold air

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4
Q

There are considerably more air molecules near the Earths surface than higher up, which means in comparison, air near the surface is ____?

A

Denser

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5
Q

Much of the Carbon Dioxide found in earlier atmosphere is currently locked up in____?

A

Carbonate rocks

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6
Q

Meteorology is the study of?

A

The atmosphere

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7
Q

Of the four most abundant gases in our atmosphere, carbon dioxide shows the greatest variation at Earths surface. True or False?

A

False

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8
Q

Water vapor can best be described as?

A

Gas

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9
Q

Most human made impurities found in the atmosphere present a health and environmental hazard. These are called?

A

Pollutants

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10
Q

Weather describes the conditions averaged over a region or over a period whereas climate describes the condition of the atmosphere at a particular time and place. T or F?

A

False

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11
Q

The concentration of visible gas ________ varies greatly from place to place, and from time to time

A

Water vapor

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12
Q

Earths atmosphere is a relatively thin, gaseous envelope that comprises mostly _______ and _______, with small amounts of other gases

A

Nitrogen and Oxygen

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13
Q

The temperature of the tropopause is what?

A

Is much colder than the temperature at earths surface

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14
Q

In ______ near earths surface today, nitrogen occupies 78% and oxygen nearly 21%

A

The volume of air

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15
Q

Humidity is?

A

A measure of the amount of water vapor in the air

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16
Q

Earths atmosphere is divided into named layers based on the vertical profile of what?

A

Air temperature

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17
Q

The rate at which temperature decreases with increasing altitude is known as ?

A

Lapse rate

18
Q

The word “weather” is defined as?

A

The condition of the atmosphere at a particular time and place

19
Q

Ozone (O3) in the stratosphere has what?

A

Protected life from harmful UV rays

20
Q

The average or standard lapse rate in the troposphere is about 6.5 degrees Celsius for every 1000 m or about 3.6 degrees Fahrenheit for every 1000 ft rise in elevation. T or F?

A

True

21
Q

The region where atoms and molecules shoot off into space is sometimes referred to as the exosphere which represents the upper limit of our atmosphere. T or F?

A

True

22
Q

Wind direction is?

A

The direction from which the wind is blowing

23
Q

A geostationary satellite takes pictures of ?

A

One area on earth as it moves at the same rate as earths spin

24
Q

In which atmospheric layer is most of the ionsphere found?

A

Thermosphere

25
Q

Carbon dioxide is a naturally occurring component of the atmosphere. T or F?

A

True

26
Q

Ozone in the tropeshere causes what?

A

Causes warming and is a highly reactive oxidant

27
Q

Someone who says that “The wind direction today is south” likely means that the wind is blowing from where?

A

Blowing from the south

28
Q

The most abundant greenhouse gas in Earths current atmosphere is?

A

Water vapor (H2O)

29
Q

Meteorology is the study of the atmosphere and its phenomena. Greek philosopher Aristotle wrote a book meteorologica. T or F?

A

True

30
Q

The two most abundant greenhouse gases in Earths atmosphere are carbon dioxide and water vapor. True or False?

A

True

31
Q

Middle latitude cyclonic storms are known as?

A

Extratropical cyclones

32
Q

Our understanding of the atmosphere and how it produces weather is built on the knowledge acquired and applied through scientific method. True or False?

A

True

33
Q

Atmospheric concentration of helium has increased from below 300 ppm to over 400 ppm presently. True or false?

A

False

34
Q

The Ozone is an actual hole in the atmosphere a region of complete vacuum. True or False?

A

False

35
Q

A constant out pouring of gases from the hot interior- known as ______- provided a rich supply of water vapor, which farmed into clouds.

A

Outgasing

36
Q

Water vapor is what?

A

Gas

37
Q

Almost all of Earths weather occurs in the _____?

A

troposphere

38
Q

Which of the following is considered a vertical gas in Earths atmosphere?

A

Water Vapor

39
Q

In a temperature inversion, air temperature does what?

A

Increases with height

40
Q

Earths atmosphere is divided into named layers based on the vertical profile of ___?

A

Air temperature

41
Q

Which weather element always decreases as we climb upward in the atmosphere?

A

Pressure

Meteorology (8 decks)

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